<button type="button" ti-button (click)="addItems()">addItems</button>
<ti-formfield [type]="type">
  <ti-item *ngFor="let item of items" [label]="item.label" [required]="item.required" [index]="item.index">
    <div>{{item.value}}</div>
  </ti-item>
</ti-formfield>
